Home / 467,542,527.81-645,209,444.21-258,707,472.45

Finding the Fourth Proportional to 467,542,527.81, 645,209,444.21 and 258,707,472.45

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Solution

The fourth proportional to 467,542,527.81, 645,209,444.21 and 258,707,472.45 is: 357,016,730.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,542,527.81 : 645,209,444.21 = 258,707,472.45 : x
  2. Step 2: Convert to fraction form
    467,542,527.81/645,209,444.21 = 258,707,472.45/x
  3. Step 3: Cross multiply
    467,542,527.81x = 645,209,444.21 × 258,707,472.45
  4. Step 4: Simplify right side
    467,542,527.81x = 166,920,504,511,144,864
  5. Step 5: Solve for x
    x = 166,920,504,511,144,864/467,542,527.81
  6. Step 6: Final answer
    x = 357,016,730.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.